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1013200125 = 35373112451
BaseRepresentation
bin111100011001000…
…011010011111101
32121121111220021120
4330121003103331
54033334401000
6244312221153
734052026140
oct7431032375
92547456246
101013200125
1147aa1a283
1224339a7b9
13131bac502
14987c6057
155de3c6a0
hex3c6434fd

1013200125 has 64 divisors (see below), whose sum is σ = 1989132288. Its totient is φ = 448200000.

The previous prime is 1013200081. The next prime is 1013200157. The reversal of 1013200125 is 5210023101.

It is not a de Polignac number, because 1013200125 - 27 = 1013199997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75150 + ... + 87600.

It is an arithmetic number, because the mean of its divisors is an integer number (31080192).

Almost surely, 21013200125 is an apocalyptic number.

1013200125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1013200125 is a deficient number, since it is larger than the sum of its proper divisors (975932163).

1013200125 is a wasteful number, since it uses less digits than its factorization.

1013200125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12507 (or 12497 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1013200125 is about 31830.8046552392. The cubic root of 1013200125 is about 1004.3808220399.

Adding to 1013200125 its reverse (5210023101), we get a palindrome (6223223226).

The spelling of 1013200125 in words is "one billion, thirteen million, two hundred thousand, one hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 31 35 75 93 105 125 155 175 217 375 465 525 651 775 875 1085 2325 2625 3255 3875 5425 11625 12451 16275 27125 37353 62255 81375 87157 186765 261471 311275 385981 435785 933825 1157943 1307355 1556375 1929905 2178925 2701867 4669125 5789715 6536775 8105601 9649525 10894625 13509335 28948575 32683875 40528005 48247625 67546675 144742875 202640025 337733375 1013200125